With nervous, trembling fingers he held it deferentially in his hand whilst he rose from the table.

Polly watched him as he strode up to the desk, and paid twopence for his glass of milk and his bun.

Soon he disappeared through the shop, whilst she still found herself hopelessly bewildered, with a number of snap-shot photographs before her, still staring at a long piece of string, smothered from end to end in a series of knots, as bewildering, as irritating, as puzzling as the man who had lately sat in the corner..